Ensuring primary treatment of municipal sewage discharged to rivers and seas

This strategy features in the framework of Agenda 21 as formulated at UNCED (Rio de Janeiro, 1992), now coordinated by the United Nations Commission on Sustainable Development and implemented through national and local authorities. Agenda 21 recommends promoting primary treatment of municipal sewage discharged to rivers, estuaries and the sea, or other solutions appropriate to specific sites.

1. Planning municipal sewage plants
2. Building sewage treatment facilities

1. Controlling harmful levels of artificial discharge to coastal waters

1. Maltreatment